{"schemaVersion":"jobsearcher.job.v1","id":"5db12d4eede96109b0590fa2","url":"https://jobsearcher.com/jobs/5db12d4eede96109b0590fa2","canonicalUrl":"https://jobsearcher.com/jobs/5db12d4eede96109b0590fa2","title":"Full-Stack Software Developer","description":"Full-Stack Software Developer\n\nLocation: Remote / On-Site – Springfield, VA\n\nClearance Requirement: TS/SCI with CI Polygraph\n\nSalary Range: Commensurate with experience\n\nABOUT THE ROLE\n\nAs a Full-Stack Software Developer you will design, develop, and maintain mission-critical applications supporting Sphinx internal development and federal customers. Activities will span front-end interfaces, back-end services, and data layers. This is hands-on development in a mix of corporate and classified environments, building secure and scalable tools that drive real mission outcomes.\n\nWHAT YOU'LL DO\n\nDesign, develop, and maintain full-stack applications in corporate & classified environments\nBuild responsive front ends (React, Vite, MUI), back-end services (Node, Express, PostgreSQL), and integrate shared tooling (TypeScript)\nDeploy and manage containerized applications\nBuild and maintain DevSecOps and CI/CD pipelines for secure continuous delivery\nApply secure coding practices aligned to OWASP guidelines and NIST 800-53 controls\nArchitect and implement Zero Trust network and application design\nPartner with program security officers, data engineers, and mission stakeholders to translate requirements into working software\n\nREQUIRED QUALIFICATIONS\n\nActive TS/SCI clearance with a current CI Polygraph (within the last 5 years)\nU.S. Citizenship (required for clearance eligibility)\n8+ years of software development experience across the full stack\nAI-augmented development experience\nDocker / Kubernetes container orchestration\nDevSecOps and CI/CD pipeline experience\nSecure coding experience (OWASP, NIST 800-53)\n\nPREFERRED QUALIFICATIONS\n\nSoftware development on Intelligence Community programs\nIron Bank / DCAR hardened container experience\nInfrastructure as Code (Terraform, Ansible)\nZero Trust architecture implementation (NIST 800-207)\nAI/ML integration into software platforms\nCISSP, Certified Kubernetes Security Specialist (CKS), or AWS Solutions Architect\nBS in Computer Science or a related field\n\nABOUT SPHINX\n\nSphinx is a mission-focused intelligence, counterintelligence, and cyber solutions firm founded in 2018 by professionals from the Special Operations, Intelligence, and Cyber Warfare communities. We partner with Defense, Intelligence, and Commercial clients to deliver exceptional personnel and transformative mission capabilities that advance complex, multi-domain intelligence and security missions. As a small business, Sphinx offers direct mission impact, technical leadership opportunities, and an operator-driven culture that larger companies cannot match.\n\nWHAT SPHINX OFFERS\n\nCareer Growth: Sphinx's Level-Up Employee Advancement and Performance (LEAP) Program provides structured career progression tied to technical certification achievement, mission performance, and leadership cultivation.\nCompensation: Market-benchmarked salary against the cleared workforce ecosystem with annual reviews calibrated to TS/SCI and CI/FSP market dynamics.\nSolution-Focused Culture: Sphinx prioritizes direct leadership access and promotes a Be-Know-Do culture where experienced professionals are empowered to propose and implement solutions that contribute directly high-consequence mission outcomes.\n\nBENEFITS HIGHLIGHTS\n\nWe offer a competitive benefits package to include a 401K with corporate match, company paid health, vision, dental, disability, and other insurance options. Sphinx also offers a variety of incentives and opportunities to support the development and well-being of our personnel.\n\nWHY Choose SPHINX?\n\nSphinx combines large business impact with small team collaboration. At Sphinx, we don't manage bureaucracy. We lead from a position of technical strength by delivering solutions that drive a measurable impact on every high-consequence mission we support.\n\nSphinx LLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.","company":"Sphinxllc","rawCompany":"sphinxllc","city":"Fairfax","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-09-04T11:10:32.828Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Full-Stack Software Developer","description":"Full-Stack Software Developer\n\nLocation: Remote / On-Site – Springfield, VA\n\nClearance Requirement: TS/SCI with CI Polygraph\n\nSalary Range: Commensurate with experience\n\nABOUT THE ROLE\n\nAs a Full-Stack Software Developer you will design, develop, and maintain mission-critical applications supporting Sphinx internal development and federal customers. Activities will span front-end interfaces, back-end services, and data layers. This is hands-on development in a mix of corporate and classified environments, building secure and scalable tools that drive real mission outcomes.\n\nWHAT YOU'LL DO\n\nDesign, develop, and maintain full-stack applications in corporate & classified environments\nBuild responsive front ends (React, Vite, MUI), back-end services (Node, Express, PostgreSQL), and integrate shared tooling (TypeScript)\nDeploy and manage containerized applications\nBuild and maintain DevSecOps and CI/CD pipelines for secure continuous delivery\nApply secure coding practices aligned to OWASP guidelines and NIST 800-53 controls\nArchitect and implement Zero Trust network and application design\nPartner with program security officers, data engineers, and mission stakeholders to translate requirements into working software\n\nREQUIRED QUALIFICATIONS\n\nActive TS/SCI clearance with a current CI Polygraph (within the last 5 years)\nU.S. Citizenship (required for clearance eligibility)\n8+ years of software development experience across the full stack\nAI-augmented development experience\nDocker / Kubernetes container orchestration\nDevSecOps and CI/CD pipeline experience\nSecure coding experience (OWASP, NIST 800-53)\n\nPREFERRED QUALIFICATIONS\n\nSoftware development on Intelligence Community programs\nIron Bank / DCAR hardened container experience\nInfrastructure as Code (Terraform, Ansible)\nZero Trust architecture implementation (NIST 800-207)\nAI/ML integration into software platforms\nCISSP, Certified Kubernetes Security Specialist (CKS), or AWS Solutions Architect\nBS in Computer Science or a related field\n\nABOUT SPHINX\n\nSphinx is a mission-focused intelligence, counterintelligence, and cyber solutions firm founded in 2018 by professionals from the Special Operations, Intelligence, and Cyber Warfare communities. We partner with Defense, Intelligence, and Commercial clients to deliver exceptional personnel and transformative mission capabilities that advance complex, multi-domain intelligence and security missions. As a small business, Sphinx offers direct mission impact, technical leadership opportunities, and an operator-driven culture that larger companies cannot match.\n\nWHAT SPHINX OFFERS\n\nCareer Growth: Sphinx's Level-Up Employee Advancement and Performance (LEAP) Program provides structured career progression tied to technical certification achievement, mission performance, and leadership cultivation.\nCompensation: Market-benchmarked salary against the cleared workforce ecosystem with annual reviews calibrated to TS/SCI and CI/FSP market dynamics.\nSolution-Focused Culture: Sphinx prioritizes direct leadership access and promotes a Be-Know-Do culture where experienced professionals are empowered to propose and implement solutions that contribute directly high-consequence mission outcomes.\n\nBENEFITS HIGHLIGHTS\n\nWe offer a competitive benefits package to include a 401K with corporate match, company paid health, vision, dental, disability, and other insurance options. Sphinx also offers a variety of incentives and opportunities to support the development and well-being of our personnel.\n\nWHY Choose SPHINX?\n\nSphinx combines large business impact with small team collaboration. At Sphinx, we don't manage bureaucracy. We lead from a position of technical strength by delivering solutions that drive a measurable impact on every high-consequence mission we support.\n\nSphinx LLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.","datePosted":"2026-09-04T11:10:32.828Z","dateModified":"2026-09-04T11:10:32.828Z","hiringOrganization":{"@type":"Organization","name":"Sphinxllc","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Fairfax","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"5db12d4eede96109b0590fa2"},"url":"https://jobsearcher.com/jobs/5db12d4eede96109b0590fa2"}}